Magnetic sheet metal obtained from hot-rolled strip steel containing, in particular, iron, silicon and aluminum
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United States of America Patent
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Apr 26, 1994
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N/A
app pub date -
Dec 13, 1991
filing date -
Jun 1, 1989
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Abstract
Magnetic sheet metal obtained from hot-rolled strip steel containing, in particular, iron, silicon and aluminium and forming part of a family of sheet metals having orientated grains, characterized in that its composition is as follows: silicon less than 3.3%, aluminium between 1.5 and 8%, in concentration by weight, and in that the strip steel is subjected to cold-rolling in two steps with a final degree of reduction of between 50 and 80%, the magnetic sheet metal obtained having a general structure of the cubic type, at least 40% of the grains not deviating by more than 15.degree. from the ideal cubic orientation (100), 001 in the Miller notation.
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